1201423040224 has 96 divisors (see below), whose sum is σ = 2594881650816. Its totient is φ = 543027448320.

The previous prime is 1201423040141. The next prime is 1201423040317. The reversal of 1201423040224 is 4220403241021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68149299 + ... + 68166925.

It is an arithmetic number, because the mean of its divisors is an integer number (27030017196).

Almost surely, 2^{1201423040224} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201423040224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1297440825408).

1201423040224 is an abundant number, since it is smaller than the sum of its proper divisors (1393458610592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201423040224 is a wasteful number, since it uses less digits than its factorization.

1201423040224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18728 (or 18720 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1201423040224 its reverse (4220403241021), we get a palindrome (5421826281245).

The spelling of 1201423040224 in words is "one trillion, two hundred one billion, four hundred twenty-three million, forty thousand, two hundred twenty-four".